How to use:

First, remove guard of the cap. Activate the vial by pressing hard on the white piston to release the Vitamin C powder. Shake vigorously. Take the empty cap off, then screw the dropper. Apply the serum in the evening or at night onto previously clean and toned skin of both face and neck. Prepared vial should be kept in the refrigerator and is stable for 1 month. Complete sun protection is necessary.